MyFile
1using System; 2 3namespace Gof.Test.Composite 4{ 5 public class MyFile:FolderAbstract 6 { 7 public MyFile(string name) 8 { 9 _name = name;10 }11 private string _name = string.Empty;1213 public override void Add(FolderAbstract folder)14 {15 Console.WriteLine("Can't Add a Folder or a File to a File");16 }17 public override string DisplayName()18 {19 return _name;20 }21 public override void Remove(FolderAbstract folder)22 {23 Console.WriteLine("Can't Remove a Folder or a File to a File");24 } 25 }26} 27
Component
1using System; 2 3namespace Gof.Test.Composite 4{ 5 public abstract class FolderAbstract 6 { 7 public FolderAbstract() 8 {} 910 public string Name11 { 12 get13 {14 return _name;15 }16 set17 {18 _name = value;19 }20 }private string _name = string.Empty;2122 public abstract void Add(FolderAbstract folder);23 public abstract void Remove(FolderAbstract folder);24 public abstract string DisplayName();25 }26}
Folder
1using System; 2 3namespace Gof.Test.Composite 4{ 5 public class Folder:FolderAbstract 6 { 7 public Folder(string name) 8 { 9 _name = name; 10 }11 private string _name = string.Empty;12 private System.Collections.ArrayList arForlders = new System.Collections.ArrayList();13 public override void Add(FolderAbstract folder)14 {15 arForlders.Add(folder);16 }17 public override string DisplayName()18 {19 string result = ""+_name+" has ";20 for(int i=0;i<arForlders.Count;i++)21 {22 result += ((FolderAbstract)arForlders[i]).DisplayName() + " ";23 }24 return result;25 }26 public override void Remove(FolderAbstract folder)27 {28 arForlders.Remove(folder);29 }30 }31}
客户代码
1Gof.Test.Composite.Folder folder = new Gof.Test.Composite.Folder("FolderOne"); 2 Gof.Test.Composite.MyFile file = new Gof.Test.Composite.MyFile("FileOne"); 3 folder.Add(file); 4 Gof.Test.Composite.MyFile file2 = new Gof.Test.Composite.MyFile("FileTwo"); 5 folder.Add(file2); 6 Gof.Test.Composite.MyFile file3 = new Gof.Test.Composite.MyFile("FileThree"); 7 folder.Add(file3); 8 Gof.Test.Composite.Folder folder2 = new Gof.Test.Composite.Folder("FolderTwo"); 9 folder.Add(folder2);10 Gof.Test.Composite.MyFile file4 = new Gof.Test.Composite.MyFile("FileFour");11 folder2.Add(file4);12 //Display name of file313 Console.WriteLine( file3.DisplayName() );14 Console.ReadLine();15 //Display name of folder16 Console.WriteLine( folder.DisplayName() );17 Console.ReadLine();
转载于:https://www.cnblogs.com/nanshouyong326/archive/2007/01/04/611856.html
